
D343H型(xíng)法蘭連接金(jīn)屬密封蝶閥(fá)主要有如下(xià)特點:
1. 結構尺(chi)寸短、體積小(xiǎo)、重量輕、操作(zuo)輕便。
2. 采用整(zhěng)軸結構,蝶闆(pǎn)為桁架式結(jié)構,蝶闆強度(dù)高、過流面積(jī)大🏒、流阻小、節(jie)省能源。
4.彈性金屬(shǔ)對金屬密封(fēng):蝶閥閥座表(biao)面堆焊耐溫(wen)、耐蝕合金材(cai)料,密封圈由(you)T形密封環兩(liang)側多層不鏽(xiu)鋼片組成。在(zai)外加轉矩的(de)作用下.彈性(xìng)密封圈與金(jin)屬閥座之間(jian)的接💋觸角産(chǎn)生輕微的契(qi)塊效應,使得(de)密⚽封圈發生(sheng)柔動和徑向(xiàng)壓縮,使得閥(fá)座360度周圈均(jun1)勻密封比壓(ya),從而實現用(yong)最☀️小的轉矩(jǔ)實現最嚴密(mì)的關閉。
D343H型法(fǎ)蘭連接金屬(shǔ)密封蝶閥主(zhǔ)要外形及連(lián)接尺寸🔴(PN=1.0MPa)
| 公稱(chēng)通徑DN(mm) | L | D | D1 | D2 | b | Z-Φd | D0 | H1 | H | ||
| 短 | 長 | D43 | D343 | ||||||||
| 140 | 106 | 140 | 145/150 | 110 | 85 | 16 | 4-18 | 140 | 76 | 198 | 248 |
| 150 | 108 | 150 | 160/165 | 125 | 100 | 18 | 4-18 | 140 | 85 | 202 | 254 |
| 65 | 112 | 170 | 180/185 | 145 | 120 | 18 | 4-18 | 160 | 95 | 222 | 278 |
| 80 | 114 | 180 | 195/200 | 160 | 135 | 20 | 4-18 | 160 | 106 | 246 | 312 |
| 100 | 127 | 190 | 215/220 | 180 | 155 | 22 | 8-18 | 180 | 114 | 270 | 330 |
| 125 | 140 | 200 | 245/250 | 210 | 185 | 22 | 8-18 | 180 | 130 | 294 | 368 |
| 150 | 140 | 210 | 280/285 | 240 | 210 | 24 | 8-23 | 230 | 148 | 326 | 404 |
| 200 | 152 | 230 | 335/340 | 295 | 265 | 24 | 8-23 | 230 | 176 | 496 | |
| 250 | 165 | 250 | 390/395 | 350 | 320 | 26 | 12-14 | 280 | 210 | 558 | |
| 300 | 178 | 270 | 440/445 | 400 | 368 | 28 | 12-14 | 310 | 238 | 580 | |
| 350 | 190 | 290 | 500/505 | 460 | 428 | 28 | 16-23 | 310 | 270 | 672 | |
| 400 | 216 | 310 | 565 | 515 | 482 | 30 | 16-25/26 | 310 | 302 | 714 | |
| 450 | 222 | 330 | 615 | 565 | 532 | 30 | 20-25/26 | 380 | 332 | 768 | |
| 500 | 229 | 350 | 670 | 620 | 585 | 32 | 20-25/26 | 380 | 370 | 828 | |
| 600 | 267 | 390 | 780 | 725 | 685 | 36 | 20-30 | 450 | 432 | 952 | |
| 700 | 292 | 430 | 895 | 840 | 800 | 36 | 24-30 | 450 | 470 | 1000 | |
| 800 | 318 | 470 | 1010 | 950 | 905 | 38 | 24-34 | 450 | 530 | 1078 | |
| 900 | 330 | 510 | 1110 | 1050 | 1005 | 38 | 28-34 | 560 | 580 | 1180 | |
| 1000 | 410 | 550 | 1220 | 1160 | 1115 | 38 | 28-36 | 560 | 650 | 1272 | |
| 1200 | 470 | 630 | 1450 | 1380 | 1325 | 40 | 32-39 | 560 | 765 | 1418 | |
| 1400 | 530 | 710 | 1675 | 1590 | 1525 | 44 | 36-42 | 600 | 890 | 1519 | |
| 1600 | 600 | 790 | 1915 | 1820 | 1750 | 48 | 40-48 | 600 | 1010 | 1629 | |
| 40 | 106 | 140 | 145/150 | 110 | 85 | 16 | 4-18 | 140 | 76 | 198 | 248 |
| 50 | 108 | 150 | 160/165 | 125 | 100 | 18 | 4-18 | 140 | 85 | 202 | 254 |
| 65 | 112 | 170 | 180/185 | 145 | 120 | 18 | 4-18 | 160 | 95 | 222 | 278 |
| 80 | 114 | 180 | 195/200 | 160 | 135 | 20 | 8-18 | 160 | 106 | 246 | 312 |
| 100 | 127 | 190 | 215/220 | 180 | 155 | 20 | 8-18 | 180 | 114 | 270 | 330 |
| 125 | 140 | 200 | 245/250 | 210 | 185 | 22 | 8-18 | 180 | 130 | 294 | 368 |
| 150 | 140 | 210 | 280/285 | 240 | 210 | 24 | 8-23 | 230 | 148 | 326 | 404 |
| 200 | 152 | 230 | 335/340 | 295 | 265 | 24 | 12-14 | 230 | 176 | 496 | |
| 250 | 165 | 250 | 405 | 355 | 320 | 26 | 12-14/26 | 280 | 210 | 558 | |
| 300 | 178 | 270 | 460 | 410 | 375 | 28 | 12-14/26 | 310 | 238 | 632 | |
| 350 | 190 | 290 | 520 | 470 | 435 | 30 | 16-25/26 | 310 | 270 | 672 | |
| 400 | 216 | 310 | 580 | 525 | 485 | 32 | 16-30 | 310 | 302 | 714 | |
| 450 | 222 | 330 | 640 | 585 | 545 | 34 | 20-30 | 380 | 332 | 768 | |
| 500 | 229 | 350 | 705/715 | 650 | 605 | 36 | 20-34 | 380 | 370 | 828 | |
| 600 | 267 | 390 | 840 | 770 | 718 | 38 | 20-41/36 | 450 | 432 | 952 | |
| 700 | 292 | 430 | 910 | 840 | 788 | 40 | 24-41/36 | 450 | 470 | 1000 | |
| 800 | 318 | 470 | 1020/1025 | 950 | 898 | 42 | 24-41 | 450 | 530 | 1078 | |
| 900 | 330 | 510 | 1120/1125 | 10150 | 9198 | 44 | 28-41 | 560 | 580 | 1180 | |
| 1000 | 410 | 550 | 1255 | 1170 | 1110 | 46 | 28-42/48 | 560 | 650 | 1272 | |
| 1200 | 470 | 630 | 1485 | 1390 | 1325 | 52 | 32-48/54 | 560 | 765 | 1418 | |
| 1400 | 530 | 710 | 1685 | 1590 | 1525 | 58 | 36-48/54 | 600 | 890 | 1519 | |
| 1600 | 600 | 790 | 1930 | 1820 | 1750 | 64 | 40-58 | 600 | 1010 | 1629 |
| 公(gōng)稱通徑DN(mm) | L | D | D1 | D2 | b | Z-Φd | D0 | H1 | H | ||
| 短 | 長(zhang) | D43 | D343 | ||||||||
| 40 | 106 | 140 | 145/150 | 110 | 85 | 18 | 4-18 | 140 | 76 | 198 | 248 |
| 50 | 108 | 150 | 160/165 | 125 | 100 | 20 | 4-18 | 140 | 85 | 202 | 254 |
| 65 | 112 | 170 | 180/185 | 145 | 120 | 22 | 8-18 | 180 | 95 | 222 | 288 |
| 80 | 114 | 180 | 195/200 | 160 | 135 | 22 | 8-18 | 180 | 106 | 246 | 322 |
| 100 | 127 | 190 | 230 | 190 | 160 | 24 | 8-23 | 230 | 122 | 278 | 355 |
| 125 | 140 | 200 | 270 | 220 | 188 | 28 | 8-25/26 | 230 | 140 | 304 | 392 |
| 150 | 140 | 210 | 300 | 250 | 218 | 30 | 8-25/26 | 280 | 156 | 336 | 428 |
| 200 | 152 | 230 | 360 | 310 | 278 | 34 | 12-14/26 | 280 | 186 | 520 | |
| 250 | 165 | 250 | 425 | 370 | 332 | 36 | 12-14 | 310 | 220 | 574 | |
| 300 | 178 | 270 | 485 | 430 | 390 | 40 | 16-30 | 380 | 250 | 668 | |
| 350 | 190 | 290 | 550/555 | 490 | 448 | 44 | 16-34 | 380 | 288 | 708 | |
| 400 | 216 | 310 | 610/620 | 550 | 505 | 46 | 16-34/36 | 380 | 322 | 750 | |
| 450 | 222 | 330 | 660/670 | 600 | 555 | 48 | 20-34/36 | 450 | 348 | 802 | |
| 500 | 229 | 350 | 730 | 660 | 610 | 50 | 20-41/36 | 450 | 378 | 862 | |
| 600 | 267 | 390 | 840/845 | 770 | 718 | 50 | 20-39 | 560 | 434 | 1006 | |
| 700 | 292 | 430 | 955/960 | 875 | 815 | 50 | 24-48/42 | 560 | 470 | 1078 | |
| 800 | 318 | 470 | 1070/1085 | 990 | 930 | 54 | 24-48 | 600 | 580 | 1180 | |
| 900 | 330 | 510 | 1180/1185 | 1090 | 1025 | 58 | 28-54/48 | 600 | 650 | 1272 | |
| 1000 | 410 | 550 | 1305/1320 | 1210 | 1140 | 62 | 28-55 | 640 | 765 | 1418 | |
| 1200 | 470 | 630 | 1525/1530 | 1420 | 1350 | 70 | 32-55 | 640 | 890 | 1519 | |
| 公稱通徑DN(mm) | L | D | D1 | D2 | b | Z-Φd | D0 | H1 | H | ||
| 短(duan) | 長 | D43 | D343 | ||||||||
| 40 | 106 | 140 | 148/150 | 110 | 85 | 18 | 4-18 | 140 | 96 | 198 | 248 |
| 50 | 108 | 150 | 160/165 | 125 | 1∞ | 20 | 4-18 | 140 | 105 | 202 | 254 |
| 65 | 112 | 170 | 180/185 | 145 | 120 | 22 | 8-18 | 180 | 115 | 222 | 288 |
| 80 | 114 | 180 | 195/200 | 160 | 135 | 22 | 8-18 | 180 | 125 | 246 | 322 |
| 100 | 127 | 190 | 230/235 | 190 | 160 | 24 | 8-23 | 230 | 140 | 280 | 355 |
| 125 | 140 | 200 | 270 | 220 | 188 | 28 | 8-25/26 | 230 | 160 | 305 | 392 |
| 150 | 140 | 210 | 300 | 250 | 218 | 30 | 8-25/26 | 280 | 176 | 336 | 428 |
| 200 | 152 | 230 | 375 | 320 | 282 | 38 | 12-14 | 280 | 206 | 520 | |
| 250 | 165 | 250 | 445/450 | 385 | 345 | 42 | 12-34 | 310 | 240 | 580 | |
| 300 | 178 | 270 | 510/515 | 450 | 408 | 46 | 16-34 | 380 | 270 | 675 | |
| 350 | 190 | 290 | 570/580 | 510 | 465 | 52 | 16-34/36 | 380 | 310 | 728 | |
| 400 | 216 | 310 | 655/660 | 585 | 535 | 58 | 16-41 | 380 | 350 | 770 | |
| 450 | 222 | 330 | 680/685 | 610 | 560 | 60 | 20-41 | 450 | 380 | 820 | |
| 500 | 229 | 350 | 755 | 670 | 612 | 62 | 20-48/42 | 450 | 420 | 880 | |
| 600 | 267 | 390 | 890 | 795 | 730 | 62 | 20-54/48 | 560 | 450 | 1030 | |
| 700 | 292 | 430 | 995 | 900 | 835 | 68 | 24-54/58 | 560 | 490 | 1100 | |
| 800 | 318 | 470 | 1135/1140 | 1030 | 960 | 76 | 24-58 | 600 | 610 | 1210 | |
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